Estimating probability values based on discrete distribution

Reference no: EM1312521

There are two telephone lines A and B. Let E1 be the event that line A is being used and E2 be the event that line B is being used. After a study, we find p (E1) = 0.5, p (E2) = 0.6, P (E1 ∩ E2) = 0.3. Find the probability that:

a. line B is free

b. at least one line is being used

c. both lines are free

Reference no: EM1312521

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